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I. Basic Information for CVE-2025-27111
Vulnerability Information

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Vulnerability Title
Escape Sequence Injection vulnerability in Rack lead to Possible Log Injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This vulnerability is fixed in 2.2.12, 3.0.13, and 3.1.11.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rack 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rack是Rack开源的一个模块化的Ruby web服务器界面。 Rack 2.2.12之前版本、3.0.13之前版本和3.1.11之前版本存在安全漏洞,该漏洞源于存在日志注入问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
rackrack < 2.2.12 -
II. Public POCs for CVE-2025-27111
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III. Intelligence Information for CVE-2025-27111
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